November 2023 - Page 50 of 77

Debian 12 — libass — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libass — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-7969 CVE-2016-7970 CVE-2016-7972 CVE-2020-24994 CVE-2020-26682 CVE-2020-36430 Upstream summary: The wrap_lines_smart function in ass_render.c in libass before 0.13.4 allows remote attackers to cause a denial of service (out-of-bounds read) […]

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Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide (ELSA-2023-1895)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1895 Related CVEs: CVE-2023-21938 CVE-2023-21939 CVE-2023-21930 CVE-2023-21968 CVE-2023-21967 CVE-2023-21937 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2023-0285)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0285 Related CVEs: CVE-2023-23603 CVE-2023-23605 CVE-2022-46877 CVE-2023-23601 CVE-2023-23599 CVE-2023-23598 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — edk2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — edk2 — vulnerability — patch and remediation guide (ELSA-2023-13024)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-13024 Related CVEs: CVE-2023-0215 CVE-2022-4304 CVE-2022-4450 CVE-2023-0286 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Configure Postfix Mail Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Postfix Mail Server on Debian 12

Introduction This guide explains how to Configure Postfix Mail Server on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with the […]

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Amazon Linux 2 — kernel-livepatch-4.14.304-226.531 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.304-226.531 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2023-113 Related CVEs: CVE-2023-26545 Upstream summary: In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a […]

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Gentoo Linux — dev-libs/nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-libs/nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202401-24 Related CVEs: CVE-2021-3580 CVE-2023-36660 CVE-2021-20305 Upstream summary: Multiple vulnerabilities have been discovered in Nettle. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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NetBSD 9.4 — kodi — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — kodi — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-8313 CVE-2017-8314 CVE-2018-8831 Upstream summary: pkgsrc audit-packages flagged kodi<17.2 for vulnerability class 'arbitrary-file-overwrite'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-8313 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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NetBSD 9.4 — kaput-cli — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — kaput-cli — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged kaput-cli-[0-9]* for vulnerability class 'unknown'. Reference: https://github.com/rust-openssl/rust-openssl/releases/tag/openssl-v0.10.78 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Windows Server 2019 — KB5022729 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5022729 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5022729 • MSRC update-guide entry Related CVEs: CVE-2023-21808 CVE-2023-21722 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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